would you like to improve the condition of your hair?

January 2020

We offer a variety of in-salon conditioning treatments to solve any kind of hair issue you may be having. let us customize a treatment to improve the long-term health of your hair.

R+Co’s new Concentrates offer a customized formula for your unique hair type! Each of the three in-salon concentrates coincide with their respective shampoos and conditioners, for a comprehensive care routine. Effective in just 5 minutes, these treatments are perfect to add to your color or cut service for maximum impact in a minimum amount of time. 


The Gemstone Color Locking Concentrate seals in color and moisture, extending your hair color’s vibrancy, dimension and shine for up to 10 washes. One application reduces damaged hair and repairs split ends for up to 4 weeks. If you want ultra-reflective and prismatic hair color, this treatment is for you!



The Dallas Thickening Concentrate is quickly becoming a stylist favorite at Sine. It increases the fullness of fine hair by 2x with one application, and repairs damaged hair and split ends with visible results for up to 23 washes. Perfect for fine and thinning hair, this light-weight formula increases strength with protein and prevents future breakage and thinning with Quinoa extract. Nourishing plant extracts revitalize your scalp to provide an optimal environment for hair growth.


Atlantis Moisturizing Concentrate quenches dry, frizzy or over-processed hair, leaving it instantly more manageable, smooth and supple to the touch. Just one application reduces frizz for up to 4 weeks, and increases moisture levels up to 2.5 times. This is a great option for anyone with frizzy, chemically treated, or otherwise dry and damaged hair.




Oribe’s Masques are truly a luxurious experience! They all feature Oribe’s signature complex of Watermelon, Lychee and Edelweiss Flower Extract. This complex defends hair from oxidative stress, photo aging and the deterioration of natural keratin, all while protecting from the drying, damaging and color-depleting effects of the elements. 


Oribe’s Gold Lust Transformative Masque is for anyone, especially those with hair that has been damaged by time, styling or processing. This formula contains Oribe’s Bio-Restorative complex: Plant Collagen, Caffeine, Biotin and Niacinamide, which repair damage by penetrating the root to fortify, deeply nourish and strengthen the cuticle from the inside out. This luxurious masque restores overworked hair with each treatment.


Looking to treat your parched, curly hair? Oribe’s Moisture and Control Deep Treatment Masque is the ultimate moisturizing masque for textured hair. With coconut and almond oils, it deeply hydrates thirsty curls. This silicone-free formula also contains Murumuru and Mango Seed Butter, which smooth the cuticle, strengthening and protecting hair from breakage. Hair is left silky, hydrated and healthier than ever.


Oribe’s Signature Moisture Masque is the most hydrating masque in their line, and is suitable for any hair type. It transforms even the most brittle and dry hair to be soft and touchable. Macadamia Nut Seed Oil, Sunflower Seed Extract, and Wild Mango Butter provide incredible shine and smoothing properties. Keratin strengthens damaged hair and protects the surface of the hair shaft, penetrating the cortex to provide anti-aging benefits, maintain hair strength and prevent UV degradation.




Our Reviews


COVID SAFETY is our number one priority.
As the Delta variant becomes the dominant strain in Chicago, we encourage the wearing of masks. However, our current policy is, if you have proof of vaccination you can have a maskless service if you prefer. We will continue to update our policy as things develop.

At Sine Qua Non, we know things happen. In order to ensure that we can accommodate all of our guests needs, we require that you give us at least 24 hours notice to cancel or reschedule your appointment.

We are unable to hold any appointment without a valid credit card on file. If you cancel without 24 hours notice or no show for your appointment, a charge equal to 50% of your service and will be charged to your card.

Our goal is complete happiness with your fresh cut and color. If you need an adjustment service, they are free within 2 weeks from your original appointment, preferably with your original stylist. If a refund is requested, our policy is: Call and schedule an assessment with management within 2 weeks of your service. You must come into the salon, so we can see the problem in person. If you received an adjustment at a different salon or cannot stop by so we can see your hair, we will not refund your services.

It is important to us that you are totally happy with your purchase. Product returns must happen within 30 days of purchase, be accompanied by a store receipt (and we can view in your client file) and the product must be nearly full. If you paid by credit card, you may receive a credit on your card. We are a completely cashless business.

We are committed to giving you the best one-on-one service available. If you are more than 15 minutes late, and we are unable to give you the attention you deserve, we ask that you reschedule your appointment for another day or with an available stylist.

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